A randomized 25 question test from a pool of 761 questions, good luck!
The addition of BCC to the message frame increases the efficiency of detecting errors in transmissions. which one of the error check systems based on a mathematical expression and is available to be used on data frames too large for any other method of error checking?
Due to the uncomplicated nature of the Modbus frame structure, it requires a simple access method. Which of the access methods below is a method that this frame structure supports?
A DCS collects a lot of data during the course of operating. Which of the answers below best represents the number of databases commonly used in a DCS?
Baseband NRZ signalling is the standard for all physical connections with Ethernet. Which of the signalling methods below has the disadvantage of losing the clock signal when spaces are transmitted for an extended series?
A DCS collects a lot of data during the course of operating. Which of the terms below would best describe the database that contains all the data required to create a trend in the process?
Software for programming or configuration is an integral part of any HMI. Which of the interfaces below can be best described as having the operators access the various HMI subsystems to interact with a process control system?
In data transmission, a defined area of geographical coverage is commonly called an area network. Which of the area networks below is the second largest in area covered?
Balanced and unbalanced signal systems have several differences. Which of the answers below best represents one of those differences?
Which of the cable types below would be best used in an H1 transmission trunk line?
There are numerous threats to the security of a DCS. Which of the security measures below controls and supervises network traffic?
In relation to IPv4, every classification has a finite amount of addresses. Which of the classifications below has the most subnet addresses?
Which answer below best represents the recommended standard for a null modem cable?
During day-to-day operation of an industrial network, some device addresses may change depending on the needs of the system. Which of the answers represents the normal state of a physical address during normal operations?
All the wired network components interact with ISO layers. Which of the answers below reflects the ISO layers that the firewall interacts with?
There are commonly two configurations a programmer would use for workstations. Which of the answers below would best be described as a workstation that has the majority of the data processing done by the server?
The TCP/IP protocol was designed for simplicity and speed. Which of the OSI layers below does the TCP/IP protocol interact with?
Communication that is wireless in a SCADA system is common. Which of the communication methods below would be best defined as one that is limited to 10 km or less?
Of all the ways to relate the speed of serial communication, which of the answers below is not one? Choose the answer that best applies.
DCS commonly is considered a computerised control system for a plant that has central operator supervisory control. Which of the terms below is best described as a system that allows for exchange of data throughout, but can have remote systems within the system?
There are several common components of signal converters. Which one is best described as reduction of overall error introduced by the input and/or output signals?
There are many options to choose from for alarm states. Which of the following alarm states can be best described as when the normal specifications of the process are not being broken?
There are two types of Ethernet connector cables. Which type of connector cable is pictured below?
Which of the topology connections is the most typical for a HART communication device?
In Modbus, data is read, and written in various memory ranges. Which of the answers below best represents the data type that a holding registers would use?
Which type of electrical signalling would best be described as being used by the HART protocol?